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feat: add script to fix MySQL FROZEN issue when downgrading from MariaDB
1 parent 53b0823 commit 2260712

4 files changed

Lines changed: 168 additions & 15 deletions

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‎README.md‎

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@@ -34,15 +34,18 @@ cd dotfiles_server
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The runner has the following commands:
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| Command | Description |
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|-----------------------|--------------------------------------------------------------------|
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| `setup`, `s`, `a` | Setup the server |
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| `ssh_port`, `sp` | Change the SSH port |
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| `ssh_timeout`, `st` | Configure SSH timeout (auto disconnect after 5min idle) |
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| `php`, `php-install` | Install PHP version you want |
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| `php_extension`, `pe` | Install PHP extensions |
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| `lazydocker`, `ld` | Install lazydocker |
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| `global_dev`, `gd` | Setup NVM, NPM, Yarn, ZSH globally for all users |
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| Command | Description |
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|-----------------------|---------------------------------------------------------|
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| `setup`, `s`, `a` | Setup the server |
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| `ssh_port`, `sp` | Change the SSH port |
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| `ssh_timeout`, `st` | Configure SSH timeout (auto disconnect after 5min idle) |
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| `php`, `php-install` | Install PHP version you want |
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| `php_extension`, `pe` | Install PHP extensions |
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| `lazydocker`, `ld` | Install lazydocker |
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| `global_dev`, `gd` | Setup NVM, NPM, Yarn, ZSH globally for all users |
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| `zabbix_server`, `zs` | Install Zabbix Server with auto web server detection |
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| `zabbix_client`, `zc` | Install Zabbix Agent (client) |
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| `fix_mysql`, `fmf` | Fix MySQL FROZEN issue (when downgrading from MariaDB) |
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### Global Dev Setup
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‎install.sh‎

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@@ -152,6 +152,10 @@ case "${1:-}" in
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zabbix_client "$@"
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;;
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fix_mysql | fix_mysql_frozen | fmf)
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fix_mysql_frozen
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;;
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*)
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usage
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exit 1

‎setup/system/fix-mysql-frozen.sh‎

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#!/bin/bash
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# Fix MySQL FROZEN issue when downgrading from MariaDB to MySQL
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echo "=========================================="
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echo "🔧 Fixing MySQL FROZEN Issue"
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echo "=========================================="
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echo ""
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if [ "$EUID" -ne 0 ]; then
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echo "❌ Please run as root or with sudo"
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exit 1
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fi
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# Check if FROZEN file exists
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if [ ! -f /etc/mysql/FROZEN ]; then
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echo "✓ No FROZEN file found, MySQL is not frozen"
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exit 0
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fi
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echo "Found FROZEN file:"
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cat /etc/mysql/FROZEN
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echo ""
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echo "This happens when trying to downgrade from MariaDB 11.x to MySQL 8.0"
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echo ""
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echo "Choose an option:"
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echo " 1) Remove MySQL/MariaDB and clean everything (recommended)"
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echo " 2) Just remove FROZEN file (risky, may cause data corruption)"
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echo " 3) Cancel"
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read -p "Enter choice [1-3]: " choice
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case "$choice" in
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1)
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echo ""
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echo "➜ Stopping database services..."
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systemctl stop mysql 2>/dev/null || true
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systemctl stop mariadb 2>/dev/null || true
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echo "➜ Removing packages..."
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apt-get remove --purge -y mariadb-server mariadb-client mariadb-common \
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mysql-server mysql-client mysql-common 2>/dev/null || true
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echo "➜ Cleaning up files..."
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rm -rf /etc/mysql
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rm -rf /var/lib/mysql
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rm -rf /var/log/mysql
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echo "➜ Removing auto-installed packages..."
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apt-get autoremove -y
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echo ""
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echo "✅ Cleanup complete!"
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echo ""
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echo "📌 Next steps:"
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echo " 1. Run: apt-get update"
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echo " 2. Install MySQL: apt-get install -y mysql-server"
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echo " 3. Or run Zabbix installation again"
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;;
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2)
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echo ""
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echo "⚠️ Removing FROZEN file only (risky)..."
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rm -f /etc/mysql/FROZEN
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echo "✓ FROZEN file removed"
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echo ""
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echo "📌 Try to start MySQL:"
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echo " systemctl start mysql"
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;;
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3)
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echo "Cancelled"
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exit 0
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;;
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*)
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echo "❌ Invalid choice"
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exit 1
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;;
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esac
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‎setup/system/zabbix.sh‎

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apt-get update -qq
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print_success "Zabbix repository added"
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# Install MySQL
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print_info "Installing MySQL server..."
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apt-get install -y mysql-server
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systemctl start mysql
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systemctl enable mysql
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print_success "MySQL installed and started"
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# Check for existing database installations
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print_info "Checking for existing database installations..."
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DB_INSTALLED=false
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DB_TYPE=""
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if dpkg -l | grep -q "^ii.*mariadb-server"; then
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DB_INSTALLED=true
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DB_TYPE="MariaDB"
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elif dpkg -l | grep -q "^ii.*mysql-server"; then
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DB_INSTALLED=true
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DB_TYPE="MySQL"
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fi
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if [ "$DB_INSTALLED" = true ]; then
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print_info "${DB_TYPE} is already installed"
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echo ""
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echo "Choose an option:"
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echo " 1) Use existing ${DB_TYPE} (recommended if working)"
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echo " 2) Remove ${DB_TYPE} and install fresh MySQL 8.0"
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echo " 3) Cancel installation"
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read -p "Enter choice [1-3]: " db_choice
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case "$db_choice" in
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1)
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print_info "Using existing ${DB_TYPE}"
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# Check if database is running
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if ! systemctl is-active --quiet mysql && ! systemctl is-active --quiet mariadb; then
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print_info "Starting database service..."
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systemctl start mysql 2>/dev/null || systemctl start mariadb 2>/dev/null || true
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fi
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;;
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2)
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print_info "Removing existing ${DB_TYPE}..."
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# Stop services
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systemctl stop mysql 2>/dev/null || true
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systemctl stop mariadb 2>/dev/null || true
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# Remove frozen file if exists
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rm -f /etc/mysql/FROZEN
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# Purge old installations
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apt-get remove --purge -y mariadb-server mariadb-client mysql-server mysql-client 2>/dev/null || true
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apt-get autoremove -y
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# Clean up config files
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rm -rf /etc/mysql
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rm -rf /var/lib/mysql
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print_success "Old database removed"
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# Install MySQL
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print_info "Installing MySQL server..."
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apt-get install -y mysql-server
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systemctl start mysql
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systemctl enable mysql
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print_success "MySQL installed and started"
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;;
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3)
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print_error "Installation cancelled"
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exit 1
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;;
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*)
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print_error "Invalid choice"
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exit 1
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;;
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esac
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else
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# Install MySQL - no existing database
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print_info "Installing MySQL server..."
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apt-get install -y mysql-server
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systemctl start mysql
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systemctl enable mysql
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print_success "MySQL installed and started"
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fi
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# Detect or choose web server
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print_info "Detecting web server..."

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